This reference includes 800 pages, completely revised and updated; more than 8,000 photos, over 1,000 of them new; 21,000-plus listings of coin types, with sections expanded and many new discoveries; from the sixth century B.C. to date; contemporary (post-1950) coinage now integrated in alphabetical order with all other issues; tables of weight and fineness in each country; market valuations in two states of preservation.